$99.00

Features

A processor in the TN1648 runs control routines that connect to maintenance software.

The TN1648 has a 5-LED alarm panel and a toggle switch to manually inhibit
automatic emergency transfer of PPN analog lines.

The TN1648 provides 2 RS-232 interfaces for connection to an administration
terminal and, with duplication, connection to a standby maintenance terminal.

The TN1648 also provides a tip and ring port with a built-in modem allowing a
remote administration terminal to access the system.

The circuit pack allows connection to the management terminal and connection toand termination of 1 end of the processor bus.

Other maintenance items include - PPN alarm monitors and outputs including auxiliary alarms for auxiliary equipment and environmental monitoring for over- temperature conditions

Power supply sense and control for the carriers

Emergency transfer control for catastrophic failure. The circuit consists of a 3-position toggle switch. The switch may be moved into the manual on position, manual off position, or automatic position.